Improvement in collars for lamp-reservoirs



L. J. 4ATWDD. Collars for Lamp-Reservoirs.

`N`o.l49,6.32. PatentedAprilmJa/M.

"UNITED STATES PATENT 15T-Ione LEWIS J. -ATVVOOD'7 OF VV'ATERBURY7 CONNECTICUT, ASSIGNOR TO THE PLUME & ATWOOD MANUFACTURING COMPANY7 OF SAME PLACE.

IMPROVEMENT IN COLLARS FOR LAMP-RESERVOIRS.

Specification forming part of Letters Patent No. 149,632, dated April 14, 1874; application filed May 20,1873.

To all whom it may concern:

Be it known that I7 LEWIS J. ATWOOD, of Waterbury7 in the county of New Haven and State of Connecticut, have inventedfan Iinprovement in Collars for Lamp-Reservoirs, of which the following is a specification: v

My invention consists in a collar for lampreservoirs made of thin sheet metal, with a sheet-metal cylinder applied within the saine, to conne the plaster with which the collar is attached tothe lamp closely around the neck of the reservoir.

In the drawing I have represented by a section the invention as applied to a lamp.

The collar a is of a size sufficient to t out side the neck of the glass lamp7 and be secured thereto by plaster-of-paris or other cement7 and around this is an embossed llange, b, that rests upon the surface of the glass reservoir and forms a neat and handsome finish to that part of the lamp. d is the ring;7 in which the screw-thread ofthe burner is forlned,

and this ring' may be secured to the collar a in any convenient manner, and is generally of thicker material than the collar a and ornamental ilange b. Vithin the collar a is the cylinder f, which contines the plaster around `the metal.

I claim as my invention- The metallic cylinder f, attached within the sheet-metal collar of a lamp-reservoir7 as and for the purposes set forth.

Signed by me this 9th day of May, A. D.

L. J. ATWOOD. Witnesses:

Isra/TEL HOLMES, F. W. PLATT. 

